Configuring Multiple VRF VRF Interaction With Other Features
OmniSwitch AOS Release 8 Network Configuration Guide December 2017 page 16-13
NTP
Supports VRF configuration for all NTP operations (both client and server).
WebView
Supports VRF configuration for "WebView Server" and "WebView Access".
Syslog Server
Supports VRF configuration for forwarding swlog output to the syslog daemon of the switch (or host).
Quality of Service (QoS)
• The Auto-NMS feature (non-VRF aware) recognizes all of the IP interfaces configured in the default
VRF instance. The first eight of these interfaces are prioritized by Auto-NMS to ensure switch
manageability in the event of a DoS attack.
• Policy Based Routing, as indicated in the table above, is a default VRF application. The functionality
of this feature remains the same as in releases prior to the implementation of Multiple VRF instances.
VRF Policies
• A VRF policy condition parameter is available to specify a VRF name to which the policy condition
applies. This parameter can also specify the default VRF, and a no form of the command exists to
remove a VRF condition parameter. For example:
-> policy condition c1 vrf engr_vrf
-> policy condition c2 vrf default
-> policy condition c1 no vrf
• VRF policies are configured in the default VRF, similar to how all other QoS policies are configured.
If the VRF name specified does not exist, the policy is not allocated any system resources.
• Policies that do not specify a VRF name are considered global policies and are applied across all VRF
instances and VLANs.
• Policies that specify the default VRF apply only to traffic in the default VRF instance.
• Policies that specify a VRF name apply only to traffic in the VRF instance associated with that name.
• The switch network group is supported only in VRF policies that specify the default VRF instance. If
this group is specified in a global policy (no VRF specified) then the policy is applied across all VRF
instances.
SNMP
• SNMPv3 is required to manage VRF instances; SNMPv1 and v2 are not supported.
• Configuring the management station to use SNMPv3 is required to receive traps from VRF-aware
applications.
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